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Barrel and receiver assembly
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Rifle, 7.62MM: M14
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Safety



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MIL-R-45012E
3 . 3 . 4 . 2  E j e c t o r .  T h e ejector shall be retained in the bolt by
t h e extractor shank and shall be held in the forward position by the
e j e c t o r s p r i n g .  T h e ejector shall move through its fill range of
t r a v e l under spring action without binding in the bolt and shall eject
c a r t r i d g e cases completely out of the rifle when the rifle is function
f i r e d or manually operated.
3 . 3 . 4 . 3  E x t r a c t o re   T h e extractor shall be retained in the bolt
b y the extractor spring and plunger assembly. The extractor shall
m o v e through its till range of travel under spring action without
b i n d i n g and shall extract cartridge cases from the barrel when the
r i f l e is function fired or manually operated.
3 . 3 . 4 . 4  F i r i n g  p i n .  T h e firing pin shall be retained in the bolt
by the extractor shank and shall move of its own weight through its
f u l l range of travel in the bolt with the bolt axis vertical. The
c h r o m i u m plating of the firing pin shall be free of nodules, flaking,
s t r i p p i n g} anode burns, and evidence of etched base steel, except as
s p e c i f i e d on the applicable drawing.
3 . 3 . 5 B o l t s t o p .  T h e bolt stop shall be retained on the receiver
by the spring pin and s h a l l be held in the "down" position by action
o f the bolt stop spring.  T h e bolt stop shall move through its full
r a n g e of travel  y and when positioned manually or by action of the
m a g a z i n e follower, it shall hold the bolt in the open (rearward) position.
T h e bolt stop shall disengage from the bolt by action of the bolt stop
spring when the magazine follower is disengaged and the operating rod
is  retracted.
3 . 3 . 6 Connector assembly.  The connector assembly shall be retained
o n the receiver by the connector locking pin and spring action of the
c o n n e c t o r plunger and it shall prevent the operating rod handle from
popping out of the receiver way.
3 . 3 . 7 Flash suppressor.  T h e flash suppressor shall be alined in
accordance with the applicable drawing and shall be fastened securely
t o the barrel by the flash suppressor nut which in turn shall be fastened
securely by a set screw.
3 . 3 . 8 Firing mechanism.  The firing mechanism shall be capable of
a s s e m b l y to the rifle without the use of tools, and shall be capable
o f disassembly from the rifle when the trigger-guard is manually unlatched
f r o m the trigger housing using a tool simulating a cartridge.
3.3.8.3. Hammer.  The hammer shall pivot on the hammer pin through -
i t s full range of travel without binding, and when the hammer is released
f r o m the cocked position it shall pivot forward to the stop position on
t h e trigger housing under spring action.
4

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